Re:The IPv6 Transition
by eptcyka on Monday October 21, 2024 @03:27AM
(#41901569)
With how trivial generating new addresses in IPv6 is, it'd be cool to have a host block all incoming traffic on its own and have each service that deserves to be reached over the listen on an address unique to the service.
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| on HN ]
> have each service that deserves to be reached over the listen on an address unique to the service
It’s already a thing. These unique per-service addresses are called “ports” in IP protocol.
Hosting service A shouldn't mean that every user of service A can also figure out you host C, B and D.
Also, the IP protocol does not care about ports at all. Ports are a thing for UDP and TCP.
> Also, the IP protocol does not care about ports at all. Ports are a thing for UDP and TCP.
You're right, they are one level above.
> Hosting service A shouldn't mean that every user of service A can also figure out you host C, B and D.
It how are ports on a single IP address essentially different from multiple IP addresses within a subnet?